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<!DOCTYPE HTML>
<html>
<head>
<meta charset='utf-8'>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
</head>
<body>
<script>

ok(SpecialPowers.getBoolPref('dom.webgpu.enabled'), 'Pref should be enabled.');

const func = async function() {
  const adapter = await navigator.gpu.requestAdapter();
  const device = await adapter.requestDevice();

  const swapChainFormat = "rgba8unorm";
  const bundleEncoder = device.createRenderBundleEncoder({
    colorFormats: [swapChainFormat],
  });
  const bundle = bundleEncoder.finish({});

  const texture = device.createTexture({
    size: { width: 100, height: 100, depth: 1 },
    format: swapChainFormat,
    usage: GPUTextureUsage.RENDER_ATTACHMENT,
  });
  const view = texture.createView();

  const encoder = device.createCommandEncoder();
  const pass = encoder.beginRenderPass({
    colorAttachments: [{
      view,
      loadValue: { r: 0, g: 0, b: 0, a: 0 },
      storeOp: "store",
    }],
  });
  pass.executeBundles([bundle]);
  pass.endPass();
  const command_buffer = encoder.finish();

  device.queue.submit([command_buffer]);
  ok(command_buffer !== undefined, 'command_buffer !== undefined');
};

SimpleTest.waitForExplicitFinish();
func()
  .catch((e) => ok(false, "Unhandled exception " + e))
  .finally(() => SimpleTest.finish());

</script>
</body>
</html>